Home / 3,615,419.34-5,423,160.80-919,747.41

Finding the Fourth Proportional to 3,615,419.34, 5,423,160.80 and 919,747.41

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Solution

The fourth proportional to 3,615,419.34, 5,423,160.80 and 919,747.41 is: 1,379,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,419.34 : 5,423,160.80 = 919,747.41 : x
  2. Step 2: Convert to fraction form
    3,615,419.34/5,423,160.80 = 919,747.41/x
  3. Step 3: Cross multiply
    3,615,419.34x = 5,423,160.80 × 919,747.41
  4. Step 4: Simplify right side
    3,615,419.34x = 4,987,938,075,955.88
  5. Step 5: Solve for x
    x = 4,987,938,075,955.88/3,615,419.34
  6. Step 6: Final answer
    x = 1,379,629.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.